episome
epi·some
noun \ˈe-pə-ˌsōm, -ˌzōm\Definition of EPISOME
: a genetic determinant (as the DNA of some bacteriophages) that can replicate autonomously in bacterial cytoplasm or as an integral part of the chromosomes
— epi·som·al \ˌe-pə-ˈsō-məl, -ˈzō-\ adjective
— epi·som·al·ly \-mə-lē\ adverb
First Known Use of EPISOME
circa 1931
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